|  | @@ -1,4 +1,5 @@
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				|  |  | -/* Copyright (C) 1991,92,93,95,96,97,98,99,2000 Free Software Foundation, Inc.
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				|  |  | +/* Copyright (C) 1991,92,93,95,96,97,98,99,2000,2009 Free Software
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				|  |  | +   Foundation, Inc.
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				|  |  |     This file is part of the GNU C Library.
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				|  |  |  
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				|  |  |     The GNU C Library is free software; you can redistribute it and/or
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				|  | @@ -152,6 +153,41 @@ struct ip_timestamp
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				|  |  |  #define	IPVERSION	4               /* IP version number */
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				|  |  |  #define	IP_MAXPACKET	65535		/* maximum packet size */
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				|  |  |  
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				|  |  | +/*
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				|  |  | + * Definitions for Explicit Congestion Notification (ECN)
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				|  |  | + *
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				|  |  | + * Taken from RFC-3168, Section 5.
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				|  |  | + */
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				|  |  | +
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				|  |  | +#define	IPTOS_ECN_MASK		0x03
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				|  |  | +#define	IPTOS_ECN(x)		((x) & IPTOS_ECN_MASK)
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				|  |  | +#define	IPTOS_ECN_NOT_ECT	0x00
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				|  |  | +#define	IPTOS_ECN_ECT1		0x01
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				|  |  | +#define	IPTOS_ECN_ECT0		0x02
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				|  |  | +#define	IPTOS_ECN_CE		0x03
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				|  |  | +
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				|  |  | +/*
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				|  |  | + * Definitions for IP differentiated services code points (DSCP)
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				|  |  | + *
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				|  |  | + * Taken from RFC-2597, Section 6 and RFC-2598, Section 2.3.
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				|  |  | + */
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				|  |  | +
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				|  |  | +#define	IPTOS_DSCP_MASK		0xfc
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				|  |  | +#define	IPTOS_DSCP(x)		((x) & IPTOS_DSCP_MASK)
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				|  |  | +#define	IPTOS_DSCP_AF11		0x28
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				|  |  | +#define	IPTOS_DSCP_AF12		0x30
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				|  |  | +#define	IPTOS_DSCP_AF13		0x38
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				|  |  | +#define	IPTOS_DSCP_AF21		0x48
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				|  |  | +#define	IPTOS_DSCP_AF22		0x50
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				|  |  | +#define	IPTOS_DSCP_AF23		0x58
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				|  |  | +#define	IPTOS_DSCP_AF31		0x68
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				|  |  | +#define	IPTOS_DSCP_AF32		0x70
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				|  |  | +#define	IPTOS_DSCP_AF33		0x78
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				|  |  | +#define	IPTOS_DSCP_AF41		0x88
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				|  |  | +#define	IPTOS_DSCP_AF42		0x90
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				|  |  | +#define	IPTOS_DSCP_AF43		0x98
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				|  |  | +#define	IPTOS_DSCP_EF		0xb8
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				|  |  | +
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				|  |  |  /*
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				|  |  |   * Definitions for IP type of service (ip_tos)
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				|  |  |   */
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